Optimized LC-MS/MS quantification method for the detection of piperacillin and application to the development of charged liposaccharides as penetration enhancers
Violette, A. Cortes, D.F. Bergeon, J.A. Falconer, Robert A. Toth, I.
Violette, A.
Cortes, D.F.
Bergeon, J.A.
Falconer, Robert A.
Toth, I.
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2008
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Abstract
Piperacillin, a potent ß-lactam antibiotic, is effective in a large variety of Gram+ and Gram¿ bacterial infections but its administration is limited to the parenteral route as it is not absorbed when given orally. In an attempt to overcome this problem, we have synthesized a novel series of charged liposaccharide complexes of piperacillin comprising a sugar moiety derived from d-glucose conjugated to a lipoamino acid residue with varying side-chain length (cationic entity) and the piperacillin anion. A complete multiple reaction monitoring LC¿MS/MS method was developed to detect and characterize the synthesized complexes. The same method was then successfully applied to assess the in vitro apparent permeability values of the charged liposaccharide complexes in Caco-2 monolayers.
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Violette, A., Cortes, D.F., Bergeon, J.A., Falconer, R.A. and Toth, I. (2008). Optimized LC-MS/MS quantification method for the detection of piperacillin and application to the development of charged liposaccharides as penetration enhancers. International Journal of Pharmaceutics.Vol. 351, Nos. 1-2, pp. 152-157.
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